Wienerschnitzel also serves delicious Shakes, Cones and Sundaes made from Tastee-Freez soft serve at most Locations. Wienerschnitzel is the World’s Largest Hot Dog Chain with nearly 350 locations serving over 120 million hot dogs a year. For over 50 years Wienerschnitzel has become famous for it’s one-of-a-kind chili, made from a secret recipe. Wienerschnitzel, Der Fun Since ’61.